Optical illusions come in a variety of forms and are simply put, something that deceives the eye by appearing to be something other than it is. Here are 7 different kinds of optical illusions. Which can you see?

The International Agency for Research on Cancer classified processed meat as cancer causing. Eating 50 grams of processed meat every day, they say, increases the risk of colorectal cancer by 18 percent. Here’s what that means in the SA context.